Gauge rule

Abstract

The utility model discloses a gauging rule, which comprises a rule body, a gauging rule body and a gauging rule body, the handle assembly comprises a handle shell and a handle, the handle shell is fixedly connected with the ruler body, and the handle is rotatably connected with the handle shell; the fixed measuring head is arranged at the first end of the ruler body; the movable measuring head assembly is arranged at the second end of the ruler body, the movable measuring head assembly comprises a movable head sliding rail, a movable head positioning seat and a movable measuring head, the movable head positioning seat is provided with a guide hole, the movable head sliding rail is inserted into the guide hole so that the movable head positioning seat can be connected with the movable head sliding rail in a sliding mode, and the movable measuring head is arranged at the second end of the ruler body. The movable head positioning seat is provided with a positioning pulley, the movable measuring head is located on the outer side of the ruler body, and the movable head positioning seat is provided with a connecting part. According to the utility model, the problems that the gauging rule needs higher processing precision and is difficult to process can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of track gauge, especially a track gauge. BACKGROUND

[0002] Track gauge is a special measuring instrument for measuring the track gauge, the interval and the back distance between two steel rails of a railway line, with the increasing development of railway construction, the track gauge becomes an important detection tool for railway construction and maintenance, and plays an increasingly important role; the track gauge generally comprises a fixed measuring head and a movable measuring head, when measuring correctly, the track gauge refers to the distance between the two excircle surfaces of the fixed measuring head and the movable measuring head, the interval refers to the distance between the excircle surface of the movable measuring head and the incircle surface of the fixed measuring head, and the back distance refers to the distance between the incircle surface of the movable measuring head and the incircle surface of the fixed measuring head, in order to ensure the accuracy of measurement, it is necessary to ensure that the fixed measuring head and the movable measuring head are vertically downward during measurement, in the prior art, two guide rods are generally used to limit the movement of the movable measuring head, although the accuracy of measurement is ensured to a certain extent, high machining precision is required, and there is a problem of difficult machining, therefore, a novel track gauge is required to solve the problem of difficult machining of the movable measuring head. SUMMARY

[0003] The utility model provides a kind of track gauge, it can solve the problem of high machining precision required for track gauge, and there is the problem of difficult machining.

[0004] To solve the above technical problems, the utility model provides a kind of track gauge, characterized by comprising:

[0005] The scale body has an installation cavity inside;

[0006] The handle assembly comprises a handle shell and a handle, the handle shell is fixedly connected with the scale body, and the handle is rotatably connected with the handle shell;

[0007] The fixed measuring head is arranged at the first end of the scale body;

[0008] The movable measuring head assembly is arranged at the second end of the scale body, and comprises a movable head sliding rail, a movable head positioning seat and a movable measuring head; the movable head positioning seat and the movable head sliding rail are arranged in the installation cavity; the movable head positioning seat is provided with a guide hole, and the movable head sliding rail is inserted into the guide hole so that the movable head positioning seat and the movable head sliding rail are slidably connected; the movable head positioning seat is provided with a positioning pulley, and the positioning pulley abuts against the inner wall of the scale body; the handle is used to drive the movable head positioning seat to slide in the scale body; the movable measuring head is located outside the scale body; the movable head positioning seat is provided with a connecting portion, and the connecting portion passes through the scale body and extends to the outside of the scale body to be connected with the movable measuring head.

[0009] As the preferred technical scheme of the above, the moving head positioning seat is provided with a positioning hole, the positioning pulley comprises a pulley and a rotating shaft, the pulley is rotatably connected with the rotating shaft, one end of the rotating shaft is connected with the positioning hole, and the pulley abuts against the inner wall of the ruler body.

[0010] As the preferred technical scheme of the above, the top of the moving head positioning seat is provided with a pulley positioning table, and the positioning hole is arranged on the pulley positioning table.

[0011] As the preferred technical scheme of the above, the number of the pulley positioning tables is two, the number of the positioning pulleys is two, the two positioning pulleys are arranged on the two pulley positioning tables respectively, and the two positioning pulleys abut against the two opposite inner walls of the ruler body respectively.

[0012] As the preferred technical scheme of the above, a reinforcing rib is arranged between the two pulley positioning tables.

[0013] As the preferred technical scheme of the above, a guide hole is arranged in the guide hole, and the moving head sliding rail is inserted into the guide sleeve.

[0014] As the preferred technical scheme of the above, the track gauge further comprises a pull rod assembly arranged in the mounting cavity, the pull rod assembly comprises a pull rod, a telescopic rod and a fixing seat, the fixing seat is connected with the ruler body, the telescopic rod is slidably connected with the fixing seat, the handle is provided with a hook part located in the mounting cavity, one end of the pull rod is connected with the hook part, the other end of the pull rod is connected with one end of the telescopic rod, and the other end of the telescopic rod is connected with the moving head positioning seat.

[0015] As the preferred technical scheme of the above, an elastic reset member is arranged between the telescopic rod and the fixing seat.

[0016] The utility model provides a track gauge, which comprises a ruler body, a handle assembly, a fixed measuring head and a movable measuring head assembly. During measurement, the track gauge is placed on the rails, the fixed measuring head is attached to the inner side of one rail, the movable measuring head is driven to slide by the handle driving the moving head positioning seat to slide on the moving head sliding rail, and finally the movable measuring head is attached to the inner side of the other rail. The reading is taken, and the measurement process is completed. The movement track of the moving head positioning seat is limited by the positioning pulley cooperating with the moving head guide rail, thereby ensuring the accuracy of measurement. Compared with limiting the movement of the movable measuring head by two guide rods, the positioning pulley has lower processing and assembly difficulty, thereby effectively controlling the overall manufacturing cost. In addition, the positioning pulley and the inner wall of the ruler body are rollers in friction, which effectively reduces the resistance of the moving head positioning seat during movement, improves the stability and durability during measurement, and improves the use convenience.

[0017] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described below. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a track gauge ruler in the embodiment of the present application.

[0019] Figure 2 It is a structural schematic diagram of a track gauge ruler in the embodiment of the present application.

[0020] Figure 3 It is Figure 2 It is a local enlarged view of A in the middle.

[0021] Figure 4 It is Figure 2 It is a local enlarged view of B in the middle.

[0022] Figure 5 It is a three-dimensional structural schematic diagram of a movable head positioning seat of a track gauge ruler in the embodiment of the present application.

[0023] In the figure: 1, ruler body; 2, handle assembly; 3, fixed measuring head; 4, movable measuring head assembly; 5, movable head positioning seat; 6, positioning pulley; 7, pull rod assembly; 101, installation cavity; 201, handle shell; 202, handle; 203, hook part; 401, movable head sliding rail; 402, movable measuring head; 501, guide hole; 502, connecting part; 503, positioning hole; 504, pulley positioning table; 505, reinforcing rib; 506, guide shaft sleeve; 601, pulley; 602, rotating shaft; 701, pull rod; 702, telescopic rod; 703, fixed seat; 704, elastic return member. DETAILED DESCRIPTION

[0024] In order to make the purpose, characteristics and advantages of the present application more obvious and easy to understand, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] Referring to Figures 1 to 5 The embodiment of the present application provides a track gauge ruler, characterized in that it comprises:

[0026] A ruler body 1, which has a mounting cavity 101 inside;

[0027] A handle assembly 2, which comprises a handle shell 201 and a handle 202, the handle shell 201 is fixedly connected with the ruler body 1, and the handle 202 is rotatably connected with the handle shell 201;

[0028] A fixed measuring head 3, which is arranged at a first end of the ruler body 1;

[0029] A movable measuring head assembly 4, which is arranged at a second end of the ruler body 1, and comprises a movable head sliding rail 401, a movable head positioning seat 5 and a movable measuring head, the movable head sliding rail 401 and the movable head positioning seat 5 are arranged in the mounting cavity 101, the movable head positioning seat 5 is provided with a guide hole 501, the movable head sliding rail 401 is inserted into the guide hole 501, so that the movable head positioning seat 5 is slidably connected with the movable head sliding rail 401, the movable head positioning seat 5 is provided with a positioning pulley 6, the positioning pulley 6 abuts against the inner wall of the ruler body 1, the handle 202 is used to drive the movable head positioning seat 5 to slide in the ruler body 1, the movable measuring head 402 is located outside the ruler body 1, and the movable head positioning seat 5 is provided with a connecting portion 502, the connecting portion 502 penetrates through the ruler body 1 and extends to the outside of the ruler body 1 to be connected with the movable measuring head 402.

[0030] The utility model discloses a track gauge, which comprises a ruler body 1, a handle assembly 2, a fixed measuring head 3 and a movable measuring head assembly 4. When measuring, the track gauge is placed on the rails, the fixed measuring head 3 is attached to the inner side of one of the rails, the handle 202 drives the movable head positioning seat 5 to slide on the movable head sliding rail 401, thereby driving the movable measuring head 402 to slide, and finally the movable measuring head 402 is attached to the inner side of the other rail. The reading is taken, and the measuring process is completed. The movable head guide rail cooperates with the positioning pulley 6 to limit the movement track of the movable head positioning seat 5, thereby ensuring the accuracy of the measurement. Compared with the method of limiting the movement of the movable measuring head 402 by two guide rods, the positioning pulley 6 has lower processing and assembly difficulty, thereby effectively controlling the overall manufacturing cost. In addition, the positioning pulley 6 and the inner wall of the ruler body 1 are in roller friction, which effectively reduces the resistance of the movable head positioning seat 5 when moving, improves the stability and durability during measurement, and improves the use convenience.

[0031] In a further implementation manner of the embodiment, the movable head positioning seat 5 is provided with a positioning hole 503, the positioning pulley 6 comprises a pulley 601 and a rotating shaft 602, the pulley 601 is rotatably connected with the rotating shaft 602, one end of the rotating shaft 602 is connected with the positioning hole 503, and the pulley 601 abuts against the inner wall of the ruler body 1.

[0032] In the embodiment, the movable head positioning seat 5 is provided with a positioning hole 503, specifically, the positioning hole 503 is a threaded hole, one end of the rotating shaft 602 is provided with a thread, and the rotating shaft 602 and the positioning hole 503 are connected through threads, which is convenient for processing and assembly, and in addition, the movable measuring head can be more stable during sliding, thereby reducing the error caused by shaking.

[0033] In a further implementable manner of the embodiment, the top of the movable head positioning seat 5 is provided with a pulley positioning table 504, and the pulley 601 is provided with the positioning hole 503 on the positioning table 504.

[0034] In the embodiment, the top of the movable head positioning seat 5 is upwardly protruding to form the pulley 601 positioning table 504, the top of the pulley 601 positioning table 504 has a flat surface, and the opening of the positioning hole 503 is located in the middle of the flat surface. By providing the pulley 601 positioning table 504, the positioning hole 503 can be more conveniently processed, the accuracy of the installation and positioning of the positioning pulley 6 is improved, and at the same time, the connection strength of the positioning pulley 6 and the movable head positioning seat 5 can also be improved.

[0035] In a further implementable manner of the embodiment, the number of the pulley 601 positioning table 504 is two, and the number of the positioning pulley 6 is two. Two positioning pulleys 6 are respectively arranged on two pulley 601 positioning tables 504, and two positioning pulleys 6 respectively abut against two oppositely arranged inner walls of the ruler body 1.

[0036] In the embodiment, the number of the pulley 601 positioning table 504 is two, and the number of the positioning pulley 6 is two. By providing two positioning pulleys 6, the movable head positioning seat 5 is more balanced during movement, and the measurement error caused by imbalance is further reduced. In addition, the layout of the two positioning pulleys 6 helps to disperse pressure and prolong the service life of the track gauge.

[0037] In a further implementable manner of the embodiment, a reinforcing rib 505 is arranged between the two pulley 601 positioning tables 504.

[0038] In the embodiment, a reinforcing rib 505 is arranged between the two pulley 601 positioning tables 504, thereby strengthening the structural strength of the pulley 601 positioning table 504, avoiding deformation of the pulley 601 positioning table 504 due to bearing pressure during repeated use, and ensuring the overall stability and precision of the track gauge.

[0039] In a further implementable manner of the embodiment, a guide shaft sleeve 506 is arranged in the guide hole 501, and the movable head sliding rail 401 is inserted in the guide shaft sleeve 506.

[0040] In the embodiment, the guide hole 501 is provided with a guide sleeve 506. The guide sleeve 506 can reduce the friction between the movable head sliding rail 401 and the guide hole 501, effectively reduce the resistance of the movable head positioning seat 5 when moving, improve the stability during measurement, and avoid the wear of the guide hole 501, prolong the service life of the track gauge.

[0041] In a further implementable manner of the embodiment, the track gauge further comprises a pull rod assembly 7, the pull rod assembly 7 is arranged in the mounting cavity 101, the pull rod assembly 7 comprises a pull rod 701, a telescopic rod 702 and a fixing seat 703, the fixing seat 703 is connected with the ruler body 1, the telescopic rod 702 is slidably connected with the fixing seat 703, the pull handle 202 is provided with a hook part 203, the hook part 203 is located in the mounting cavity 101, one end of the pull rod 701 is connected with the hook part 203, the other end of the pull rod 701 is connected with one end of the telescopic rod 702, and the other end of the telescopic rod 702 is connected with the movable head positioning seat 5.

[0042] In the embodiment, the track gauge further comprises a pull rod assembly 7, the fixing seat 703 is connected with the ruler body 1, and when in use, the pull handle 202 is pulled to drive the pull rod 701 to move, the pull rod 701 drives the telescopic rod 702 to slide relative to the fixing seat 703, and finally drives the movable head positioning seat 5 to slide, so as to realize the accurate adjustment of the movable head positioning seat 5.

[0043] In a further implementable manner of the embodiment, the telescopic rod 702 and the fixing seat 703 are provided with an elastic reset member 704.

[0044] In the embodiment, the elastic reset member 704 is arranged between the telescopic rod 702 and the fixed seat 703, specifically, the elastic reset member 704 is a reset spring, the first end of the telescopic rod 702 is connected with the pull rod 701 through the fixed seat 703, the second end of the telescopic rod 702 is connected with the movable head positioning seat 5, the reset spring is sleeved on the telescopic rod 702, one end of the reset spring is connected with the fixed seat 703, the other end of the reset spring is connected with the second end of the telescopic rod 702, during measurement, the operator pulls the pull handle 202, so that the movable measuring head 402 moves towards the fixed measuring head 3, at this time, the reset spring is compressed due to the displacement of the telescopic rod 702, when reaching the appropriate position, the operator releases the pull handle 202, the reset spring restores to the original state, drives the telescopic rod 702, the movable head positioning seat 5 and the movable measuring head 402 to move away from the fixed measuring head 3, and makes the movable measuring head 402 adhere to the inner side of the rail. Through the arrangement of the elastic reset member 704, it can ensure that the movable measuring head 402 can reset automatically during measurement, and the operation convenience is improved.

[0045] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0046] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0047] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A track gauge, characterized in that The utility model relates to a track gauge, which comprises: a ruler body with an installation cavity inside; a handle assembly comprising a handle shell and a handle, the handle shell being fixedly connected with the ruler body, and the handle being rotatably connected with the handle shell; a fixed measuring head arranged at a first end of the ruler body; a movable measuring head assembly arranged at a second end of the ruler body, the movable measuring head assembly comprising a movable head sliding rail, a movable head positioning seat and a movable measuring head, the movable head sliding rail and the movable head positioning seat being arranged in the installation cavity, the movable head positioning seat being provided with a guide hole, the movable head sliding rail being inserted into the guide hole so that the movable head positioning seat and the movable head sliding rail are slidably connected, the movable head positioning seat being provided with a positioning pulley, the positioning pulley abutting against the inner wall of the ruler body, the handle being used to drive the movable head positioning seat to slide in the ruler body, the movable measuring head being located outside the ruler body, the movable head positioning seat being provided with a connecting portion, the connecting portion penetrating through the ruler body and extending to the outside of the ruler body to be connected with the movable measuring head.

2. Gauge foot according to claim 1, characterized in that The movable head positioning seat is provided with a positioning hole, the positioning pulley comprises a pulley and a rotating shaft, the pulley being rotatably connected with the rotating shaft, one end of the rotating shaft being connected with the positioning hole, and the pulley abutting against the inner wall of the ruler body.

3. Gauge according to claim 2, characterized in that The top of the movable head positioning seat is provided with a pulley positioning table, and the positioning hole is arranged on the pulley positioning table.

4. Gauge according to claim 3, characterized in that The number of the pulley positioning tables is two, the number of the positioning pulleys is two, and the two positioning pulleys are arranged on the two pulley positioning tables respectively, and the two positioning pulleys abut against two opposite inner walls of the ruler body respectively.

5. Gauge according to claim 4, characterized in that A reinforcing rib is arranged between the two pulley positioning tables.

6. The track gauge of claim 1, wherein, A guide sleeve is arranged in the guide hole, and the movable head sliding rail is inserted into the guide sleeve.

7. The track gauge of claim 1, wherein, The track gauge further comprises a pull rod assembly arranged in the installation cavity, the pull rod assembly comprising a pull rod, an extension rod and a fixing seat, the fixing seat being connected with the ruler body, the extension rod being slidably connected with the fixing seat, the handle being provided with a hook portion located in the installation cavity, one end of the pull rod being connected with the hook portion, the other end of the pull rod being connected with one end of the extension rod, and the other end of the extension rod being connected with the movable head positioning seat.

8. Gauge according to claim 7, characterized in that An elastic return member is arranged between the extension rod and the fixing seat.

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